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https://git.code.sf.net/p/quake/quakeforge
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2bfeed6820
nq for abyss etc (ie, the magical -<mod> args). The interface to the message subsystem got a revamp and all the mods to the .c files reflect this. currently a little ugly, but I plan on abstracting msg further to clean it up and make it more oo.
130 lines
3 KiB
C
130 lines
3 KiB
C
/*
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msg.c
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(description)
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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$Id$
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#include "msg.h"
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#include "net.h"
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#include "protocol.h"
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#include "qendian.h"
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#include "sys.h"
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struct usercmd_s nullcmd;
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void
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MSG_WriteDeltaUsercmd (sizebuf_t *buf, usercmd_t *from, usercmd_t *cmd)
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{
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int bits;
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//
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// send the movement message
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//
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bits = 0;
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if (cmd->angles[0] != from->angles[0])
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bits |= CM_ANGLE1;
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if (cmd->angles[1] != from->angles[1])
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bits |= CM_ANGLE2;
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if (cmd->angles[2] != from->angles[2])
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bits |= CM_ANGLE3;
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if (cmd->forwardmove != from->forwardmove)
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bits |= CM_FORWARD;
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if (cmd->sidemove != from->sidemove)
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bits |= CM_SIDE;
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if (cmd->upmove != from->upmove)
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bits |= CM_UP;
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if (cmd->buttons != from->buttons)
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bits |= CM_BUTTONS;
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if (cmd->impulse != from->impulse)
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bits |= CM_IMPULSE;
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MSG_WriteByte (buf, bits);
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if (bits & CM_ANGLE1)
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MSG_WriteAngle16 (buf, cmd->angles[0]);
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if (bits & CM_ANGLE2)
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MSG_WriteAngle16 (buf, cmd->angles[1]);
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if (bits & CM_ANGLE3)
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MSG_WriteAngle16 (buf, cmd->angles[2]);
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if (bits & CM_FORWARD)
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MSG_WriteShort (buf, cmd->forwardmove);
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if (bits & CM_SIDE)
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MSG_WriteShort (buf, cmd->sidemove);
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if (bits & CM_UP)
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MSG_WriteShort (buf, cmd->upmove);
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if (bits & CM_BUTTONS)
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MSG_WriteByte (buf, cmd->buttons);
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if (bits & CM_IMPULSE)
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MSG_WriteByte (buf, cmd->impulse);
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MSG_WriteByte (buf, cmd->msec);
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}
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void
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MSG_ReadDeltaUsercmd (usercmd_t *from, usercmd_t *move)
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{
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int bits;
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memcpy (move, from, sizeof (*move));
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bits = MSG_ReadByte (net_message);
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// read current angles
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if (bits & CM_ANGLE1)
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move->angles[0] = MSG_ReadAngle16 (net_message);
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if (bits & CM_ANGLE2)
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move->angles[1] = MSG_ReadAngle16 (net_message);
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if (bits & CM_ANGLE3)
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move->angles[2] = MSG_ReadAngle16 (net_message);
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// read movement
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if (bits & CM_FORWARD)
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move->forwardmove = MSG_ReadShort (net_message);
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if (bits & CM_SIDE)
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move->sidemove = MSG_ReadShort (net_message);
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if (bits & CM_UP)
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move->upmove = MSG_ReadShort (net_message);
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// read buttons
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if (bits & CM_BUTTONS)
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move->buttons = MSG_ReadByte (net_message);
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if (bits & CM_IMPULSE)
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move->impulse = MSG_ReadByte (net_message);
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// read time to run command
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move->msec = MSG_ReadByte (net_message);
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}
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